In PHP, how do I sort objects with PHP 8+ features?

In PHP 8+, sorting objects can be done quite easily using various built-in functions. One of the most common methods is to use the `usort()` function combined with a custom comparison function. With PHP 8’s improvements, you can leverage arrow functions for a more concise syntax.

Sorting Objects, PHP 8, usort, Arrow Functions, Object Comparison

This guide demonstrates how to efficiently sort objects in PHP 8 using advanced features such as arrow functions for cleaner and more readable code.


        <?php
        class Person {
            public string $name;
            public int $age;

            public function __construct(string $name, int $age) {
                $this->name = $name;
                $this->age = $age;
            }
        }

        $people = [
            new Person("Alice", 30),
            new Person("Bob", 25),
            new Person("Charlie", 35),
        ];

        // Sort by age using usort and an arrow function
        usort($people, fn($a, $b) => $a->age <=> $b->age);

        foreach ($people as $person) {
            echo $person->name . " (" . $person->age . " years old)<br>";
        }
        ?>

In PHP, how do I sort objects with PHP 8+ features?

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In PHP, how do I sort objects with PHP 8+ features?

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